10445021313 has 4 divisors (see below), whose sum is σ = 13926695088. Its totient is φ = 6963347540.

The previous prime is 10445021309. The next prime is 10445021329. The reversal of 10445021313 is 31312054401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10445021313 - 2² = 10445021309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10445021393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740836883 + ... + 1740836888.

It is an arithmetic number, because the mean of its divisors is an integer number (3481673772).

Almost surely, 2^10445021313 is an apocalyptic number.

It is an amenable number.

10445021313 is a deficient number, since it is larger than the sum of its proper divisors (3481673775).

10445021313 is an equidigital number, since it uses as much as digits as its factorization.

10445021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481673774.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 10445021313 its reverse (31312054401), we get a palindrome (41757075714).

The spelling of 10445021313 in words is "ten billion, four hundred forty-five million, twenty-one thousand, three hundred thirteen".